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altec 288-16k and my new horn project

84.28.50.86
Posted on May 15, 2015 at 06:28:15
horny
Audiophile

Posts: 745
Location: holland
Joined: October 17, 2003
 hello i will build a Altec horn system
and i can buy 288-16 drivers but the dcr of the 2 are 11,4 and 12 Ohm
so it is not a matched pair
will this have a great influence on the loudness or sound quality ?
i will use them in 15 cell 1505 horns.

And what is a good bass system for this? i don't have bass drivers for it yet
but i was thinking about a 416 woofers.
maby in an Onken cabinet
or something else ?

And is there on the internet a example for a filter for such a system ?
i can not design it ic an solder and build cabinets but have no electrical skills to design it.

 

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RE: altec 288-16k and my new horn project, posted on May 15, 2015 at 06:33:49
lokie
Audiophile

Posts: 1989
Location: Georgia, USA
Joined: January 28, 2003
 Google: jean hiraga altec a5

 

RE: altec 288-16k and my new horn project, posted on May 15, 2015 at 07:43:33
Hornlover
Manufacturer

Posts: 2529
Joined: March 8, 2002
 As far as the DC resistance goes, they are within tolerances, so no problem. Any differences will not be audible.

 

RE: altec 288-16k and my new horn project, posted on May 16, 2015 at 00:12:14
horny
Audiophile

Posts: 745
Location: holland
Joined: October 17, 2003
 thank you both
i am happy that the 0,6 dcr have not a great influence on loudness and sound difference.

Hiraga uses the 515 i think these are hard to find
for a normal price
but when i find these it was a very good advise indeed
the filters cabinets and all are documented that would great for me.

 

Contact Bill at GPA...., posted on May 16, 2015 at 15:21:12
Oface
Audiophile

Posts: 1497
Location: columbia, south carolina
Joined: May 3, 2003
 I wouldn't doubt he has some 515's, new, that he can sell you!


 

I just saw that you're in Holland....., posted on May 16, 2015 at 15:26:11
Oface
Audiophile

Posts: 1497
Location: columbia, south carolina
Joined: May 3, 2003
 I am guessing shipping and VAT might make these prohiobited for you.... Not sure how the EU market is at finding and the availibilty of vintage Altec woofers are. Good luck in your project!

 

RE: Contact Bill at GPA...., posted on May 16, 2015 at 17:58:15
hottattoo
Audiophile

Posts: 141
Location: New York
Joined: July 30, 2011
 Check out BD-Designs, Bert has some interesting horn / bass designs and is near you.

 

RE: Contact Bill at GPA...., posted on May 17, 2015 at 08:17:46
horny
Audiophile

Posts: 745
Location: holland
Joined: October 17, 2003



thanks
i now i have already a BD design system the Orphean and it sounds great!
this altec project is just something i will try
and i like to have the original altec drivers then

 

0.23dB, posted on May 17, 2015 at 21:09:36
djk
Manufacturer

Posts: 6135
Joined: June 17, 2000
 "will this have a great influence on the loudness or sound quality ?"

The difference will be about 0.23dB, inaudible.

((P1/P2)log)*10=dB difference.

 

RE: 0.23dB, posted on May 17, 2015 at 22:17:22
horny
Audiophile

Posts: 745
Location: holland
Joined: October 17, 2003
 Oke numbers!
thank you very much
that is not much of a difference indeed.
i think the room and placement will have a greater influence

 

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